rhadamanthys | e18b6d133656117a09751990c173b1a19136568d455b5b0c10b5e3e91151915b

General

Target

Anubis.exe
Size

1.2MB
MD5

c2adb7ff42f1c961035f17bad5bee12d
SHA1

e2ae36539f9ff88e8a89d750e99d15ea6e84f0dc
SHA256

4b350ae0b85aa7f7818e37e3f02397cd3667af8d62eb3132fb3297bd96a0abe2
SHA512

16413f90689cfa3fc509637bea54634ead1bba7f89d621bbc8096279f2413cd3477142a63becfa457e5756583c34049699ab1e960d1133dad2f72e3325ecb348
SSDEEP

24576:uDDgbYd14JwD00GR/L4Sgh5ovGpuIGPBgyjhgQJ8L/inWS:gcbILXoO3p9GP6ydk/inWS

Score

10^/10

rhadamanthys defense_evasion discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://195.3.223.126:4287/9d0dc091285eb9fbf2e/o8f3c8oj.8rdif

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral1/memory/3092-55-0x0000000002300000-0x0000000002700000-memory.dmp	family_rhadamanthys
behavioral1/memory/3092-57-0x0000000002300000-0x0000000002700000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Rhadamanthys family
rhadamanthys

Executes dropped EXE 2 IoCs

pid	Process
1844	Launcher.exe
3092	WindowsHost.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Anubis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsHost.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	WindowsHost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	WindowsHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	WindowsHost.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	WindowsHost.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	WindowsHost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4460	powershell.exe
4460	powershell.exe
3092	WindowsHost.exe
3092	WindowsHost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	powershell.exe
Token: SeShutdownPrivilege	3092	WindowsHost.exe
Token: SeCreatePagefilePrivilege	3092	WindowsHost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3240	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 4460	3904	Anubis.exe	77
PID 3904 wrote to memory of 4460	3904	Anubis.exe	77
PID 3904 wrote to memory of 4460	3904	Anubis.exe	77
PID 3904 wrote to memory of 1844	3904	Anubis.exe	79
PID 3904 wrote to memory of 1844	3904	Anubis.exe	79
PID 3904 wrote to memory of 3092	3904	Anubis.exe	80
PID 3904 wrote to memory of 3092	3904	Anubis.exe	80
PID 3904 wrote to memory of 3092	3904	Anubis.exe	80
PID 1844 wrote to memory of 2336	1844	Launcher.exe	82
PID 1844 wrote to memory of 2336	1844	Launcher.exe	82

C:\Users\Admin\AppData\Local\Temp\Anubis.exe
"C:\Users\Admin\AppData\Local\Temp\Anubis.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHgAYQBzACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHgAegBiACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHAAcABnACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHkAdgBuACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4460
- C:\Users\Admin\AppData\Local\Temp\Launcher.exe
  "C:\Users\Admin\AppData\Local\Temp\Launcher.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1844
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c pause
    3⤵
    PID:2336
- C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3092

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Obfuscated Files or Information

1

T1027

Command Obfuscation

1

T1027.010

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
069c37bf9e39b121efb7a28ece933aee

SHA1
eaef2e55b66e543a14a6780c23bb83fe60f2f04d

SHA256
485db8db6b497d31d428aceea416da20d88f7bde88dbfd6d59e3e7eee0a75ae8

SHA512
f4562071143c2ebc259a20cbb45b133c863f127a5750672b7a2af47783c7cdc56dcf1064ae83f54e5fc0bb4e93826bf2ab4ef6e604f955bf594f2cbd641db796

Download Submit
C:\Users\Admin\AppData\Local\Temp\Launcher.exe

Filesize
748KB

MD5
a8db312e9364d1d82600bf5a398212fe

SHA1
3bbacada2b463bb9f62ed7ae34a8e8440bc91dcb

SHA256
84e01afa9f1f134caa4e49456f4a1700e17bae4cbd962c1dfdf6cdfd61b3a3cb

SHA512
a7994ab1901aa1fc6ee89a302a92c9ec7fc3febc348a21e0445d4e17bb2c736ef563543dde94a01fe5d81094e792b354db1d02f8069992b36791fdbb0f8a5782

Download Submit
C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe

Filesize
456KB

MD5
515a0c8be21a5ba836e5687fc2d73333

SHA1
c52be9d0d37ac1b8d6bc09860e68e9e0615255ab

SHA256
9950788284df125c7359aeb91435ed24d59359fac6a74ed73774ca31561cc7ae

SHA512
4e2bd7ce844bba25aff12e2607c4281b59f7579b9407139ef6136ef09282c7afac1c702adebc42f8bd7703fac047fd8b5add34df334bfc04d3518ea483225522

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2j4z52w1.dtk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3092-57-0x0000000002300000-0x0000000002700000-memory.dmp

Filesize
4.0MB

Download
memory/3092-54-0x0000000000710000-0x0000000000717000-memory.dmp

Filesize
28KB

Download
memory/3092-55-0x0000000002300000-0x0000000002700000-memory.dmp

Filesize
4.0MB

Download
memory/4460-43-0x0000000074490000-0x00000000744DC000-memory.dmp

Filesize
304KB

Download
memory/4460-17-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

Filesize
216KB

Download
memory/4460-22-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/4460-21-0x0000000072F00000-0x00000000736B1000-memory.dmp

Filesize
7.7MB

Download
memory/4460-32-0x0000000005A30000-0x0000000005D87000-memory.dmp

Filesize
3.3MB

Download
memory/4460-33-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

Filesize
120KB

Download
memory/4460-34-0x0000000005F20000-0x0000000005F6C000-memory.dmp

Filesize
304KB

Download
memory/4460-20-0x0000000005050000-0x0000000005072000-memory.dmp

Filesize
136KB

Download
memory/4460-42-0x00000000064A0000-0x00000000064D4000-memory.dmp

Filesize
208KB

Download
memory/4460-18-0x00000000051B0000-0x00000000057DA000-memory.dmp

Filesize
6.2MB

Download
memory/4460-52-0x0000000006520000-0x000000000653E000-memory.dmp

Filesize
120KB

Download
memory/4460-53-0x0000000007190000-0x0000000007234000-memory.dmp

Filesize
656KB

Download
memory/4460-19-0x0000000072F00000-0x00000000736B1000-memory.dmp

Filesize
7.7MB

Download
memory/4460-23-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/4460-56-0x00000000078C0000-0x0000000007F3A000-memory.dmp

Filesize
6.5MB

Download
memory/4460-58-0x0000000007240000-0x000000000725A000-memory.dmp

Filesize
104KB

Download
memory/4460-16-0x0000000072F0E000-0x0000000072F0F000-memory.dmp

Filesize
4KB

Download
memory/4460-59-0x00000000072D0000-0x00000000072DA000-memory.dmp

Filesize
40KB

Download
memory/4460-60-0x00000000074D0000-0x0000000007566000-memory.dmp

Filesize
600KB

Download
memory/4460-61-0x0000000007450000-0x0000000007461000-memory.dmp

Filesize
68KB

Download
memory/4460-62-0x0000000007490000-0x000000000749E000-memory.dmp

Filesize
56KB

Download
memory/4460-63-0x00000000074A0000-0x00000000074B5000-memory.dmp

Filesize
84KB

Download
memory/4460-64-0x0000000007590000-0x00000000075AA000-memory.dmp

Filesize
104KB

Download
memory/4460-65-0x0000000007580000-0x0000000007588000-memory.dmp

Filesize
32KB

Download
memory/4460-68-0x0000000072F00000-0x00000000736B1000-memory.dmp

Filesize
7.7MB

Download

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